.tutorial-hero {
  padding-top: clamp(64px, 8vw, 108px);
  padding-bottom: clamp(70px, 9vw, 120px);
}

.tutorial-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(280px, 0.72fr);
  align-items: center;
  gap: clamp(42px, 7vw, 92px);
}

.tutorial-hero__copy {
  max-width: 760px;
}

.tutorial-hero__copy h1 {
  max-width: 15ch;
  margin-top: 22px;
  margin-bottom: 22px;
}

.tutorial-hero__lead {
  max-width: 66ch;
  margin-bottom: 28px;
  color: var(--color-ink-soft);
  font-size: clamp(17px, 1.6vw, 20px);
  line-height: 1.75;
}

.tutorial-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.tutorial-route {
  overflow: hidden;
  border-radius: var(--radius-card);
  background: var(--color-canvas);
  box-shadow: var(--shadow-near);
  transform: rotate(1deg);
}

.tutorial-route__head {
  display: flex;
  min-height: 62px;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--color-line);
  color: var(--color-ink);
  font-weight: 600;
}

.tutorial-route__list {
  margin: 0;
  padding: 10px 20px 20px;
  list-style: none;
  counter-reset: none;
}

.tutorial-route__list li + li {
  border-top: 1px solid var(--color-panel-strong);
}

.tutorial-route__list a {
  display: flex;
  min-height: 64px;
  align-items: center;
  gap: 18px;
  color: var(--color-ink);
  text-decoration: none;
}

.tutorial-route__list a:hover {
  color: var(--color-brand);
}

.tutorial-route__list strong {
  color: var(--color-brand);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
}

.tutorial-route__list span {
  font-family: var(--font-display);
  font-size: 21px;
}

.tutorial-preflight__heading {
  max-width: 760px;
}

.tutorial-preflight__heading h2,
.tutorial-steps__intro h2,
.quick-check__copy h2,
.tutorial-after__heading h2 {
  margin-top: 18px;
  margin-bottom: 16px;
}

.tutorial-preflight__heading p,
.tutorial-steps__intro p,
.quick-check__copy p,
.tutorial-after__heading p {
  color: var(--color-ink-soft);
}

.tutorial-preflight .callout {
  margin-top: 34px;
  margin-bottom: 38px;
}

.preflight-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
}

.preflight-grid article {
  min-width: 0;
  padding: 10px 30px 4px;
}

.preflight-grid article:first-child {
  padding-left: 0;
}

.preflight-grid article + article {
  border-left: 1px solid var(--color-line);
}

.preflight-grid__index {
  display: inline-grid;
  width: 34px;
  height: 34px;
  place-items: center;
  margin-bottom: 18px;
  border-radius: var(--radius-pill);
  background: var(--color-amber-soft);
  color: var(--color-amber-ink);
  font-family: var(--font-mono);
  font-size: 13px;
}

.preflight-grid h3 {
  margin-bottom: 13px;
  font-size: 24px;
}

.preflight-grid p {
  margin-bottom: 0;
  color: var(--color-ink-soft);
}

.tutorial-steps__intro {
  max-width: 780px;
  margin-bottom: 34px;
}

.tutorial-steps .jump-toc {
  top: 10px;
}

.guide-stage {
  display: grid;
  grid-template-columns: 86px minmax(0, 1fr);
  gap: clamp(24px, 5vw, 62px);
  scroll-margin-top: 86px;
}

.guide-stage + .guide-stage {
  margin-top: clamp(84px, 11vw, 148px);
  padding-top: clamp(70px, 8vw, 104px);
  border-top: 1px solid var(--color-line);
}

.guide-stage__rail {
  position: relative;
  display: flex;
  justify-content: center;
}

.guide-stage__rail::after {
  position: absolute;
  top: 58px;
  bottom: 0;
  width: 1px;
  background: var(--color-line);
  content: "";
}

.guide-stage__rail span {
  position: relative;
  z-index: 1;
  display: grid;
  width: 52px;
  height: 52px;
  place-items: center;
  border-radius: var(--radius-pill);
  background: var(--color-brand);
  color: var(--color-white-text);
  box-shadow: var(--shadow-mid);
  font-family: var(--font-mono);
  font-size: 14px;
}

.guide-stage__content {
  max-width: 850px;
}

.guide-stage__heading {
  margin-bottom: 28px;
}

.guide-stage__heading h2 {
  margin-top: 13px;
  margin-bottom: 0;
}

.guide-stage__content > p {
  color: var(--color-ink-soft);
}

.guide-stage__content > h3 {
  margin-top: 42px;
  margin-bottom: 14px;
  font-size: 25px;
}

.tutorial-mock {
  max-width: 620px;
  margin-top: 34px;
  margin-bottom: 38px;
}

.tutorial-mock__status {
  flex-shrink: 0;
  color: var(--color-brand-deep);
  font-size: 13px;
  font-weight: 600;
}

.mode-choice {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 34px;
  margin-bottom: 38px;
}

.mode-choice article {
  padding: 25px;
  border-radius: var(--radius-card);
  background: var(--color-panel);
}

.mode-choice h3 {
  margin-top: 16px;
  margin-bottom: 10px;
  font-size: 24px;
}

.mode-choice p {
  margin-bottom: 0;
  color: var(--color-ink-soft);
}

.connection-check {
  margin-top: 34px;
  margin-bottom: 38px;
  padding: clamp(22px, 4vw, 32px);
  border-radius: var(--radius-card);
  background: var(--color-green-soft);
}

.connection-check__title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.connection-check__title h3 {
  margin-bottom: 0;
  font-size: 25px;
}

.connection-check ol {
  margin-top: 22px;
  margin-bottom: 0;
}

.connection-check li + li {
  margin-top: 12px;
}

.verify-table {
  max-width: 100%;
  margin-top: 36px;
  margin-bottom: 38px;
  overflow-x: auto;
  border-radius: var(--radius-field);
  box-shadow: var(--shadow-far);
  -webkit-overflow-scrolling: touch;
}

.verify-table table {
  min-width: 690px;
}

.verify-table th:first-child {
  width: 27%;
}

.verify-table th:nth-child(2) {
  width: 36%;
}

.quick-check__layout {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.28fr);
  gap: clamp(42px, 8vw, 100px);
}

.quick-check__copy {
  max-width: 460px;
}

.quick-check__list {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: quick-check;
}

.quick-check__list li {
  position: relative;
  min-height: 84px;
  padding: 0 0 24px 58px;
  counter-increment: quick-check;
}

.quick-check__list li + li {
  padding-top: 24px;
  border-top: 1px solid var(--color-line);
}

.quick-check__list li::before {
  position: absolute;
  top: 0;
  left: 0;
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border-radius: var(--radius-pill);
  background: var(--color-amber-soft);
  color: var(--color-amber-ink);
  content: counter(quick-check);
  font-family: var(--font-mono);
  font-size: 12px;
}

.quick-check__list li + li::before {
  top: 24px;
}

.quick-check__list strong {
  color: var(--color-ink);
}

.quick-check__list p {
  margin-top: 5px;
  margin-bottom: 0;
  color: var(--color-ink-soft);
}

.quick-check__layout + .callout {
  margin-top: 44px;
  margin-bottom: 0;
}

.tutorial-after__heading {
  max-width: 720px;
  margin-bottom: 46px;
}

.tutorial-after__links {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.tutorial-after__links article {
  min-width: 0;
  padding: 8px 34px;
}

.tutorial-after__links article:first-child {
  padding-left: 0;
}

.tutorial-after__links h3 {
  margin-bottom: 12px;
  font-size: 24px;
}

.tutorial-after__links p {
  color: var(--color-ink-soft);
}

.tutorial-after__links a {
  font-weight: 600;
  text-decoration: none;
}

@media (max-width: 900px) {
  .tutorial-hero__grid {
    grid-template-columns: 1fr;
  }

  .tutorial-hero__copy {
    max-width: 720px;
  }

  .tutorial-route {
    max-width: 620px;
    transform: none;
  }

  .preflight-grid {
    grid-template-columns: 1fr;
  }

  .preflight-grid article {
    padding: 26px 0;
  }

  .preflight-grid article:first-child {
    padding-top: 4px;
  }

  .preflight-grid article + article {
    border-top: 1px solid var(--color-line);
    border-left: 0;
  }

  .quick-check__layout {
    grid-template-columns: 1fr;
  }

  .quick-check__copy {
    max-width: 700px;
  }

  .tutorial-after__links {
    grid-template-columns: 1fr;
  }

  .tutorial-after__links article {
    padding: 26px 0;
  }

  .tutorial-after__links article + article {
    border-top: 1px solid var(--color-line);
    border-left: 0;
  }
}

@media (max-width: 640px) {
  .tutorial-hero {
    padding-top: 52px;
    padding-bottom: 66px;
  }

  .tutorial-hero__copy h1 {
    max-width: none;
  }

  .tutorial-hero__lead {
    font-size: 17px;
  }

  .tutorial-hero__actions {
    align-items: stretch;
    flex-direction: column;
  }

  .tutorial-hero__actions .button {
    width: 100%;
  }

  .tutorial-route__head {
    align-items: flex-start;
    flex-direction: column;
  }

  .tutorial-route__list {
    padding-inline: 16px;
  }

  .guide-stage {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .guide-stage__rail {
    justify-content: flex-start;
  }

  .guide-stage__rail::after {
    display: none;
  }

  .guide-stage + .guide-stage {
    margin-top: 76px;
    padding-top: 64px;
  }

  .mode-choice {
    grid-template-columns: 1fr;
  }

  .connection-check__title {
    align-items: flex-start;
    flex-direction: column;
  }

  .quick-check__list li {
    padding-left: 50px;
  }

  .tutorial-after__heading {
    margin-bottom: 26px;
  }
}